Uses external software 'MathLive'.

Distpacker issues with mathlive have been solved in a custom 
distpacker.ts in scripts-folder. This is now used instead of the 
distpacker from the npm package.

- Replace asynchronous child processes with synchronous processes
- Add shortcuts to package.json

This should fix CI pipeline.

Build and deploy script are written in bash for now as the syntax is
far easier and cleaner. Might be changed in the future as this requires
a Linux environment with bash available.

Deployment happens as version 9.9.9, because Teststudio does not accept
players and editors without semantic versioning.

The Dockerfile is the image used for building and deploying the app.

This helps to find the asset path for images
when they are imported from the js context

The version is taken from the package.json file and replaced in the 
html.

Using scripts also used by the abi player. Aslo adding html wrapper 
files for dev and production. Those have only been modified minimally 
and need to be revised.